/// <summary>
/// 移除配置对象
/// </summary>
/// <param name="cfg"></param>
public void Remove(DbProviderFactoryConfiguration cfg)
{
if (cfg != null)
{
Remove(cfg.Name);
}
}
/// <summary>
/// 添加配置对象
/// </summary>
/// <param name="cfg"></param>
public void Add(DbProviderFactoryConfiguration cfg)
{
if (cfg == null)
{
throw new ArgumentNullException(" cfg is null ");
}
m_Factories[cfg.Name] = cfg;
}
/// <summary>
/// 填充一个配置对象
/// </summary>
/// <param name="conf"></param>
/// <returns></returns>
public virtual DbProviderFactoryConfiguration LoadConf(XmlNode conf)
{
if (conf == null)
{
throw new ArgumentNullException("conf is Nullable");
}
XmlNode xName = conf.SelectSingleNode("Name");
XmlNode xDbAdapter = conf.SelectSingleNode("DbAdapter");
String Name = xName == null ? "" : xName.InnerText;
String DbAdapter = xDbAdapter == null ? "" : xDbAdapter.InnerText;
if (!String.IsNullOrEmpty(Name) && !String.IsNullOrEmpty(DbAdapter))
{
DbProviderFactoryConfiguration cfg = new DbProviderFactoryConfiguration(Name, DbAdapter);
return(cfg);
}
return(null);
}
/// <summary>
/// 加载配置列表
/// </summary>
/// <param name="conf"></param>
/// <returns></returns>
public virtual DbProviderFactoriesConfiguration Load(XmlElement conf)
{
if (conf == null)
{
throw new ArgumentNullException("conf is Nullable");
}
DbProviderFactoriesConfiguration cfgs = new DbProviderFactoriesConfiguration();
XmlNodeList list = conf.SelectNodes("DbProvider");
if (list != null && list.Count > 0)
{
foreach (XmlNode n in list)
{
DbProviderFactoryConfiguration cfg = LoadConf(n);
if (cfg != null)
{
cfgs.Add(cfg);
}
}
}
return(cfgs);
}
